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<a href="syrk_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="preprocessor">#include &lt;shark/LinAlg/BLAS/blas.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="preprocessor">#include &lt;<a class="code" href="syrk_8hpp.html">shark/LinAlg/BLAS/kernels/syrk.hpp</a>&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="preprocessor">#include &lt;<a class="code" href="_timer_8h.html">shark/Core/Timer.h</a>&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="keyword">using namespace </span><a class="code hl_namespace" href="namespaceshark.html" title="AbstractMultiObjectiveOptimizer.">shark</a>;</div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="keyword">using namespace </span>std;</div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="keyword">template</span>&lt;<span class="keyword">class</span> Triangular, <span class="keyword">class</span> AMat, <span class="keyword">class</span> CMat&gt;</div>
<div class="foldopen" id="foldopen00009" data-start="{" data-end="}">
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"><a class="line" href="syrk_8cpp.html#ab96e20f6ab413f64bb217d233bf34ae0">    9</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="syrk_8cpp.html#ab96e20f6ab413f64bb217d233bf34ae0">benchmark</a>(</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span>    blas::matrix_expression&lt;AMat, blas::cpu_tag&gt; <span class="keyword">const</span>&amp; A,</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span>    blas::matrix_expression&lt;CMat, blas::cpu_tag&gt; &amp; C</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span>){</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span>    <span class="keywordtype">double</span> minTime = std::numeric_limits&lt;double&gt;::max();</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span>    <span class="keywordflow">for</span>(std::size_t i = 0; i != 10; ++i){</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span>        <a class="code hl_class" href="classshark_1_1_timer.html" title="Timer abstraction with microsecond resolution.">Timer</a> time;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span>        shark::blas::kernels::syrk&lt;Triangular::is_upper&gt;(A,C,2.0);</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span>        minTime = min(minTime,time.<a class="code hl_function" href="classshark_1_1_timer.html#ad3ccd47c0429d28d9600117b5ed57362" title="Returns the difference between current time and the start time.">stop</a>());</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span>    }</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span>    <span class="keywordflow">return</span> (0.5*A().size1()*A().size2()*A().size1())/minTime/1024/1024;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>}</div>
</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span> </div>
<div class="foldopen" id="foldopen00022" data-start="{" data-end="}">
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="syrk_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">   22</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="_datasets_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>    std::size_t size = 100;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span>    std::cout&lt;&lt;<span class="stringliteral">&quot;Mega Flops&quot;</span>&lt;&lt;std::endl;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>    <span class="keywordflow">for</span>(std::size_t iter = 0; iter != 5; ++iter){</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>        blas::matrix&lt;double,blas::row_major&gt; Arow(size,size);</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>        <span class="keywordflow">for</span>(std::size_t i = 0; i != size; ++i){</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>            <span class="keywordflow">for</span>(std::size_t k = 0; k != size; ++k){</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>                Arow(i,k)  = 0.1/size*i+0.1/size*k;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>            }</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>        }</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span>        blas::matrix&lt;double,blas::column_major&gt; Acol = Arow;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span>        </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span>        blas::matrix&lt;double,blas::row_major&gt; Crow(size,size,0.0);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span>        blas::matrix&lt;double,blas::column_major&gt; Ccol(size,size,0.0);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>        std::cout&lt;&lt;size&lt;&lt;<span class="stringliteral">&quot;\trow major result - lower\t&quot;</span>&lt;&lt;benchmark&lt;blas::lower&gt;(Arow,Crow)&lt;&lt;<span class="stringliteral">&quot;\t&quot;</span>&lt;&lt; benchmark&lt;blas::lower&gt;(Acol,Crow)&lt;&lt;std::endl;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>        std::cout&lt;&lt;size&lt;&lt;<span class="stringliteral">&quot;\trow major result - upper\t&quot;</span>&lt;&lt;benchmark&lt;blas::upper&gt;(Arow,Crow)&lt;&lt;<span class="stringliteral">&quot;\t&quot;</span>&lt;&lt; benchmark&lt;blas::upper&gt;(Acol,Crow)&lt;&lt;std::endl;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span>        std::cout&lt;&lt;size&lt;&lt;<span class="stringliteral">&quot;\tcolumn major result - lower\t&quot;</span>&lt;&lt;benchmark&lt;blas::lower&gt;(Arow,Ccol)&lt;&lt;<span class="stringliteral">&quot;\t&quot;</span>&lt;&lt; benchmark&lt;blas::lower&gt;(Acol,Ccol)&lt;&lt;std::endl;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>        std::cout&lt;&lt;size&lt;&lt;<span class="stringliteral">&quot;\tcolumn major result - upper\t&quot;</span>&lt;&lt;benchmark&lt;blas::upper&gt;(Arow,Ccol)&lt;&lt;<span class="stringliteral">&quot;\t&quot;</span>&lt;&lt; benchmark&lt;blas::upper&gt;(Acol,Ccol)&lt;&lt;std::endl;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>        std::cout&lt;&lt;std::endl;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>        size *=2;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span>    }</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>}</div>
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